  @mixin clearfix() { 
    *zoom:1;
    &:before, &:after {
      content: "";
      display: table;
    }
    &:after {
      clear: both;
    }
  }
  
  @mixin mobilefix() {
    @include respond(all-phones) { 
      &:before, &:after {
        content: " ";
        display: table;
      }
      &:after {
        clear: both;
      }
      &:last-child {
        float: none;
      }
    }
  }